Philosophy · all questions

Modern Symbolic logic
practice.

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127

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Q121

Match the following:

List-I	List-II
a. Negation	1. Not
b. Disjunctive	2. Or
c. Conjunction	3. And
d. Hypothetical	4. If and then

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Q122

Mathematical theory consists of which system?

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Q123

Rules of replacement is used for compound statements when we want to replace them without changing the truth value:

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Q124

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Exportation	1. (p ⊃ q) ≡ (q ∼ ⊃ ∼p)
b. Tautology	2. (p ⊃ q) ≡ (∼ p ∨ q)
c. Transposition	3. p ≡ (p.p)
d. Material implication	4. [(p.q) ⊃ r] ≡ [p ⊃ (q ⊃ r)]

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Q125

Axiomatic system is known as what?

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Q126

What is the task of a logical operator?

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Q127

Proposition logic involves
1. logical connectives
2. non-logical connectives
3. words like and
4. words like or
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